MQ5 Methane LPG Liquid Propane Gas Sensor are widely used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, natural gas , town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke

The MQ5 ( MQ-5 ) is use in gas leakage detecting equipment in consumer and industry applications, This sensor is suitable for detecting LPG, natural gas, coal gas. Avoid the noise of alcohol, cooking fumes and cigarette smoke. The sensitivity can adjust by the potentiometer.

Sensitive material of MQ-5 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, The sensors conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.

MQ-5 gas sensor has high sensitity to Methane, Propane and Butane, and can use to detect both Methane and Propane. The sensor can use to detect different combustible gas especially Methane, it is with low cost and suitable for different application

In the case of working with a MCU:

  1. VCC ↔ 2.5V ~ 5.0V
  2. GND ↔ power supply ground
  3. AOUT ↔ MCU.IO (analog output)
  4. DOUT ↔ MCU.IO (digital output)

Specifications and Features:

  1. Power supply needs: 5V
  2. Interface type: Analog
  3. Pin Definition: 1-Output 2-GND 3-VCC
  4. High sensitivity to LPG, natural gas, town gas
  5. Small sensitivity to alcohol, smoke
  6. Fast response
  7. Stable and long life
  8. Simple drive circuit
  9. Highly sensitivity to LPG, natural gas
  10. Small sensitivity to alcohol, smoke
  11. Fast response
  12. Stable and long life
  13. Simple drive circuit and Heater Voltage: 5.0V

Attachments and Links:

MQ-5 Datasheet:

Package Include:

1 x MQ5 Methane LPG Liquid Propane Gas Sensor

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Additional information

Weight 0.1 kg


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